BS ISO 12815-2013 Fibre-reinforced plastic composites Determination of plain-pin bearingstrength《纤维增强塑料复合材料 滑动-销轴承强度测定》.pdf
《BS ISO 12815-2013 Fibre-reinforced plastic composites Determination of plain-pin bearingstrength《纤维增强塑料复合材料 滑动-销轴承强度测定》.pdf》由会员分享,可在线阅读,更多相关《BS ISO 12815-2013 Fibre-reinforced plastic composites Determination of plain-pin bearingstrength《纤维增强塑料复合材料 滑动-销轴承强度测定》.pdf(24页珍藏版)》请在麦多课文档分享上搜索。
1、raising standards worldwideNO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAWBSI Standards PublicationBS ISO 12815:2013Fibre-reinforced plasticcomposites Determinationof plain-pin bearing strengthBS ISO 12815:2013 BRITISH STANDARDNational forewordThis British Standard is the UK i
2、mplementation of ISO 12815:2013. The UK participation in its preparation was entrusted to TechnicalCommittee PRI/42, Fibre reinforced thermosetting plastics andprepregs.A list of organizations represented on this committee can beobtained on request to its secretary.This publication does not purport
3、to include all the necessaryprovisions of a contract. Users are responsible for its correctapplication. The British Standards Institution 2013. Published by BSI StandardsLimited 2013 ISBN 978 0 580 66125 9 ICS 83.120 Compliance with a British Standard cannot confer immunity fromlegal obligations.Thi
4、s British Standard was published under the authority of theStandards Policy and Strategy Committee on 30 April 2013. Amendments issued since publicationDate T e x t a f f e c t e dBS ISO 12815:2013 ISO 2013Fibre-reinforced plastic composites Determination of plain-pin bearing strengthComposites plas
5、tiques renforcs de fibres Dtermination de la rsistance au matage au moyen dune goupille ordinaireINTERNATIONAL STANDARDISO12815First edition2013-03-01Reference numberISO 12815:2013(E)BS ISO 12815:2013ISO 12815:2013(E)ii ISO 2013 All rights reservedCOPYRIGHT PROTECTED DOCUMENT ISO 2013All rights rese
6、rved. Unless otherwise specified, no part of this publication may be reproduced or utilized otherwise in any form or by any means, electronic or mechanical, including photocopying, or posting on the internet or an intranet, without prior written permission. Permission can be requested from either IS
7、O at the address below or ISOs member body in the country of the requester.ISO copyright officeCase postale 56 CH-1211 Geneva 20Tel. + 41 22 749 01 11Fax + 41 22 749 09 47E-mail copyrightiso.orgWeb www.iso.orgPublished in SwitzerlandBS ISO 12815:2013ISO 12815:2013(E) ISO 2013 All rights reserved iii
8、Contents PageForeword ivIntroduction v1 Scope . 12 Normative references 13 Terms and definitions . 14 Principle 25 Apparatus . 35.1 Test machine. 36 Test specimens 46.1 Shape and dimensions 46.2 Preparation of specimens 56.3 Checking the test specimens . 57 Number of test specimens 68 Conditioning 6
9、9 Procedure. 69.1 Test conditions 69.2 Specimen and pin dimensions . 69.3 Testing speed 69.4 Data collection . 69.5 Failure load . 69.6 Failure mode . 610 Calculation and expression of results . 711 Precision . 812 Test report . 9Annex A (informative) Round-Robin validation exercise for plain-pin-be
10、aring test method .10Bibliography .13BS ISO 12815:2013ISO 12815:2013(E)ForewordISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO techni
11、cal committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely w
12、ith the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.The main task of technical committees is to prepare International Standards. Draft Inter
13、national Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote.Attention is drawn to the possibility that some of the elements of this document may
14、be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights.ISO 12815 was prepared by Technical Committee ISO/TC 61, Plastics, Subcommittee SC 13, Composites and reinforcement fibres.iv ISO 2013 All rights reservedBS ISO 12815:2013ISO 12815:2013(E
15、)IntroductionIn preparing this harmonized version, reference was made to similar methods, such as prEN 6037 and ASTM D 5961, harmonization with open-hole tests has been achieved where relevant (e.g. specimen and hole size). The method is applicable to all current and future fibre-reinforced plastic
16、composites meeting the requirements of this International Standard.The method described in this International Standard uses the maximum load to define the plain-pin laminate bearing strength. This point is well-defined and has been shown to be at a similar level to the less easily defined, initial f
17、ailure in the similar “torqued bolt” test(s) (see below). In the torqued bolt test, the load can increase after the bearing failure (up to x 2), as the failed material is jammed against the bolt, washers and loading jigs. The property determined applies only to the laminate lay-up tested.The strengt
18、h properties of “bolted” joints are dependent on the actual conditions involved for the joint being assessed. This includes initial bolt torque (including any load lost in bolt threads), effect of relaxation due to visco-elastic effects, effect of hot/wet conditioning, washer size/over-size, bolt ma
19、terial/rivet details and chamfer depth/plate thickness. It is recommended that additional tests to the plain-pin test be conducted for the actual joint conditions of interest in the applications, as no standardized configuration can represent all these variations. ASTM D 5961, Standard test method f
20、or bearing response of polymer matrix composite laminates, can be used as guidance on bolted joint tests. ISO 2013 All rights reserved vBS ISO 12815:2013BS ISO 12815:2013Fibre-reinforced plastic composites Determination of plain-pin bearing strength1 ScopeThis International Standard specifies a proc
21、edure for determining the plain-pin bearing strength of fibre-reinforced plastic composites.The method described in this International Standard is applicable to fibre-reinforced plastic composites with either thermoset or thermoplastic matrices.2 Normative referencesThe following referenced document
22、s are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.ISO 291, Plastics Standard atmospheres for conditioning and testingISO 527-4, Plast
23、ics Determination of tensile properties Part 4: Test conditions for isotropic and orthotropic fibre-reinforced plastic compositesISO 472, Plastics VocabularyISO 1268 (all parts), Fibre-reinforced plastics Methods of producing test platesISO 2602, Statistical interpretation of test results Estimation
24、 of the mean Confidence intervalISO 2818, Plastics Preparation of test specimens by machiningISO 5893, Rubber and plastics test equipment Tensile, flexural and compression types (constant rate of traverse) Specification3 Terms and definitionsFor the purposes of this document, the terms and definitio
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